Inventor · disambiguated record
William D. Butterfield
Also filed as: BUTTERFIELD WILLIAM · BUTTERFIELD WILLIAM D
21 granted patents·5 pending applications·55 citations·filing 2019–2024
92Inventor score
Top patents by PatentIndex Score
26 records- 0196US11202519B1Bassinet apparatusREGALO INT LLC·Filed 2020·Granted Dec 21, 2021·9 cites·20 claims
- 0295US11266253B1Scissoring bassinet with soft inside and outsideREGALO INT LLC·Filed 2019·Granted Mar 8, 2022·19 cites·18 claims
- 0392US11377886B1Oblique slide latch apparatusREGALO INT LLC·Filed 2019·Granted Jul 5, 2022·9 cites·20 claims
- 0491US11072973B2Gated barrier with visual indicatorREGALO INT LLC·Filed 2019·Granted Jul 27, 2021·9 cites·8 claims
- 0588US12185805B1Cane apparatusREGALO INT LLC·Filed 2023·Granted Jan 7, 2025·2 cites·23 claims
- 0688US11166570B1High chair apparatus with wide foot printREGALO INT LLC·Filed 2020·Granted Nov 9, 2021·3 cites·18 claims
- 0782US11627817B1Bassinet apparatusREGALO INT LLC·Filed 2021·Granted Apr 18, 2023·2 cites·11 claims
- 0882US2025042703A1Nestable wheel ramps with removable chocksCALIBER INC·Filed 2024·Application pending·0 cites
- 0981US2024174498A1Nestable wheel ramps with removable chocksCALIBER INC·Filed 2023·Application pending·0 cites
- 1074US12331587B1Gated barrier with visual indicatorREGALO INT LLC·Filed 2023·Granted Jun 17, 2025·0 cites·2 claims
- 1172US12239245B1Bassinet apparatusREGALO INT LLC·Filed 2023·Granted Mar 4, 2025·0 cites·2 claims
- 1272US12077999B1Oblique slide latch apparatusREGALO INT LLC·Filed 2022·Granted Sep 3, 2024·0 cites·10 claims
- 1371US12318017B1Tray with integral mechanismREGALO INT LLC·Filed 2023·Granted Jun 3, 2025·0 cites·3 claims
- 1471US12239244B1Collapsible bassinet apparatusREGALO INT LLC·Filed 2021·Granted Mar 4, 2025·1 cites·19 claims
- 1568US11717087B1Character chairREGALO INT LLC·Filed 2022·Granted Aug 8, 2023·0 cites·17 claims
- 1666US12371314B2Flexible funnelCALIBER INC·Filed 2023·Granted Jul 29, 2025·0 cites·19 claims
- 1766US11802439B1Gated barrier with visual indicatorREGALO INT LLC·Filed 2021·Granted Oct 31, 2023·0 cites·2 claims
- 1866US11793326B1Bassinet apparatusREGALO INT LLC·Filed 2021·Granted Oct 24, 2023·0 cites·18 claims
- 1965US10905242B1Character chairREGALO INT LLC·Filed 2019·Granted Feb 2, 2021·1 cites·18 claims
- 2063US11666157B1Tray with integral mechanismREGALO INT LLC·Filed 2021·Granted Jun 6, 2023·0 cites·13 claims
- 2163US11419419B1Character chairREGALO INT LLC·Filed 2021·Granted Aug 23, 2022·0 cites·17 claims
- 2261US2024375437A1Recovery board with inner valleyCALIBER INC·Filed 2024·Application pending·0 cites
- 2359US11529001B1High chair apparatus with wide foot printREGALO INT LLC·Filed 2021·Granted Dec 20, 2022·0 cites·2 claims
- 2457US11019939B1Tray with integral mechanismREGALO INT LLC·Filed 2019·Granted Jun 1, 2021·0 cites·17 claims
- 2557US2024409344A1Traction ladder for loading tracked vehicleCALIBER INC·Filed 2024·Application pending·0 cites
- 2657US2024375573A1Self-adjusting wheel tie downCALIBER INC·Filed 2024·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →